High schoolers discuss the difference between concentration and solubility as well as examine the difference in a hands-on activity. Using water and table salt, they experiment with solubility. They create different concentrations using...

Students participate in a hands-on activity in which they observe conditions that are most conducive to the rusting of iron. They set up an experiment with 8 different nails in different situations with one of them acting as a control....

Students are introduced to raptors and their role in the environment. They identify three characteristics of raptors and list several types of raptors found in nature. They discuss their positive and negative experiences with raptors and...

Students experience an archaeological dig exploring off the shore of Black Hawk Island and Wisconsin River. They study in the same place where the infamous Dell House once stood. Dell House and its historical significance is reviewed...

In this volume lab worksheet, students are guided through an experiment to determine volume of a liquid. Students determine water displacement. Students use a formula to calculate volume of a solid figure.

In this saliva worksheet, students conduct an experiment to test how saliva breaks down starches. Students complete 6 short answer questions.

In this pith ball electroscope instructional activity, students complete an experiment using a pith ball electroscope to determine charges. Students write down their observations and then complete 5 short answer questions.

For this Cartesian diver lab, learners explain using text and diagrams how the Cartesian diver works. Students evaluate ways in making their lab design better. Learners make predictions of how changing the variable would change the...

Students experiment with silly putty.  For this chemical changes lesson students work in groups, perform tests and collect data.

Students investigate the characteristics of simple machines. In this simple machine lesson, students investigate work as a product of applying constant force. They answer questions about what happens on Earth and what may have happened...

Students experiment to determine if yeast is a microorganism. In this yeast blowup lesson, students mix yeast with other ingredients and observe the results by using a balloon. Students adjust the amounts of the ingredients and test...

Students investigate Ballast systems in submarines. In this ballast lesson, students conduct experiments that show how a Ballast system works. Students will then create a model of a submarine's ballast system.

Students experiment with a virtual solar cooker to discover the relationship between reflection, transmission, and absorption.  In this solar cooking lesson students apply what they learn to construct their own solar cooker. 

Students study the sense of smell. In this sense of smell lesson, students investigate to become more in touch with smell. They investigate with "Mystery Smells" by designing and completing an experiment. They complete all the associated...

For this springs worksheet, students use rubber bands, tape, clamps, and more to make springs and experiment with the weight it takes to stretch the spring. Students follow 7 directions and answer 1 question.

In this friction worksheet, students conduct an experiment with their hands and lotion to simulate how an engine needs lubricant to reduce friction. Students then answer 3 questions.